/*
 * Copyright [2013-2021], Alibaba Group Holding Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.alibaba.polardbx.executor.operator.scan.impl;

import com.alibaba.polardbx.executor.operator.scan.BlockDictionary;

/**
 * Maintaining the mapping relation from all the merged dictionary.
 */
public interface DictionaryMapping {
    static DictionaryMapping create() {
        return new DictionaryMappingImpl();
    }

    int[] merge(BlockDictionary dictionary);

    default long estimatedSize() {
        return 0;
    }

    void close();
}
